1. Über die Schätzmethode MINQUE von C.R. Rao und ihre Verallgemeinerung;Focke;Math. Operationsforsch. Statist.,1972
2. A note on ∞-MINQUE in variance covariance components models;Kleffe;Math. Operationsforsch. Statist.,1977
3. On recent progress of MINQUE theory - Nonnegative estimation, consistency, asymptotic normality and explicit formulae;Kleffe;Math. Operationsforsch. Statist. Ser. Statist.,1980
4. Computation of variance components by MINQUE method;Kleffe;J. Multivariate Anal.,1986
5. Quadratic estimation of variance components;LaMotte;Biometrics,1973